Home / 14,704.46-20,292.56-7,990.52

Finding the Fourth Proportional to 14,704.46, 20,292.56 and 7,990.52

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Solution

The fourth proportional to 14,704.46, 20,292.56 and 7,990.52 is: 11,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.46 : 20,292.56 = 7,990.52 : x
  2. Step 2: Convert to fraction form
    14,704.46/20,292.56 = 7,990.52/x
  3. Step 3: Cross multiply
    14,704.46x = 20,292.56 × 7,990.52
  4. Step 4: Simplify right side
    14,704.46x = 162,148,106.53
  5. Step 5: Solve for x
    x = 162,148,106.53/14,704.46
  6. Step 6: Final answer
    x = 11,027.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.